A third-class carriage is a community, while a first-class carriage is a place of wild hermits.
Nothing is certain by uncertainty.
Happiness is not only a hope, but also in some strange manner a memory ... we are all kings in exile.
The real great man is the man who makes every man feel great.
Silver is sometimes more valuable than gold, that is, in large quantities.
Physical science is like simple addition: it is either infallible or it is false.